Home / 14,513.72-21,770.78-4,125.47

Finding the Fourth Proportional to 14,513.72, 21,770.78 and 4,125.47

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Solution

The fourth proportional to 14,513.72, 21,770.78 and 4,125.47 is: 6,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.72 : 21,770.78 = 4,125.47 : x
  2. Step 2: Convert to fraction form
    14,513.72/21,770.78 = 4,125.47/x
  3. Step 3: Cross multiply
    14,513.72x = 21,770.78 × 4,125.47
  4. Step 4: Simplify right side
    14,513.72x = 89,814,570.29
  5. Step 5: Solve for x
    x = 89,814,570.29/14,513.72
  6. Step 6: Final answer
    x = 6,188.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.